Bubble pen top in the shape of a lightbulb



FIG. 1 is a front perspective view of a bubble pen top in the shape of a lightbulb showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a side elevational view, the opposite side being identical;

FIG. 5 is a front perspective view of a second embodiment of my design of FIG. 1;

FIG. 6 is a top plan view of FIG. 5;

FIG. 7 is a bottom plan view of FIG. 5;

FIG. 8 is a right side elevational view of FIG. 5;

FIG. 9 is a left side elevational view of FIG. 5;

FIG. 10 is a front elevational view of FIG. 5 ; and,

FIG. 11 is a rear elevational view of FIG. 5.

The structure depicted by means of broken lines in FIGS. 1, 3 through 5 and 7 through 11 has been shown for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design for a bubble pen top in the shape of a lightbulb, as shown and described, 